Home / 8,285.85-11,429.46-5,300.64

Finding the Fourth Proportional to 8,285.85, 11,429.46 and 5,300.64

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Solution

The fourth proportional to 8,285.85, 11,429.46 and 5,300.64 is: 7,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.85 : 11,429.46 = 5,300.64 : x
  2. Step 2: Convert to fraction form
    8,285.85/11,429.46 = 5,300.64/x
  3. Step 3: Cross multiply
    8,285.85x = 11,429.46 × 5,300.64
  4. Step 4: Simplify right side
    8,285.85x = 60,583,452.85
  5. Step 5: Solve for x
    x = 60,583,452.85/8,285.85
  6. Step 6: Final answer
    x = 7,311.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.